Confusion arises in the city for songbirds.
Noise pollution from humans is guilty of many things — causing whales to lose their way, killing giant squid, leading baby fish away from good habitat, and generally stressing out animals. But while we know noise pollution in the oceans is causing whales to yell their songs, scientists have only just discovered that it is also causing birds to change their tune — and it seems to lead to a problem with fidelity and mate selection.
Researchers have discovered that noise from roads and highways has caused some birds, including the Great Tit to change their songs to a higher pitch so that they can be heard over the din. However, the change makes them less attractive to mates…
Continue reading… “Noise pollution causing songbirds to cheat on each other”
